161680500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 288

約数和(自身を含む): 563297280

約数和(自身を除く): 401616780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 31, 36, 38, 45, 50, 57, 60, 61, 62, 75, 76, 90, 93, 95, 100, 114, 122, 124, 125, 150, 155, 171, 180, 183, 186, 190, 225, 228, 244, 250, 279, 285, 300, 305, 310, 342, 366, 372, 375, 380, 450, 465, 475, 500, 549, 558, 570, 589, 610, 620, 684, 732, 750, 775, 855, 900, 915, 930, 950, 1098, 1116, 1125, 1140, 1159, 1178, 1220, 1395, 1425, 1500, 1525, 1550, 1710, 1767, 1830, 1860, 1891, 1900, 2196, 2250, 2318, 2325, 2356, 2375, 2745, 2790, 2850, 2945, 3050, 3100, 3420, 3477, 3534, 3660, 3782, 3875, 4275, 4500, 4575, 4636, 4650, 4750, 5301, 5490, 5580, 5673, 5700, 5795, 5890, 6100, 6954, 6975, 7068, 7125, 7564, 7625, 7750, 8550, 8835, 9150, 9300, 9455, 9500, 10431, 10602, 10980, 11346, 11590, 11625, 11780, 13725, 13908, 13950, 14250, 14725, 15250, 15500, 17019, 17100, 17385, 17670, 18300, 18910, 20862, 21204, 21375, 22692, 22875, 23180, 23250, 26505, 27450, 27900, 28365, 28500, 28975, 29450, 30500, 34038, 34770, 34875, 35340, 35929, 37820, 41724, 42750, 44175, 45750, 46500, 47275, 52155, 53010, 54900, 56730, 57950, 58900, 68076, 68625, 69540, 69750, 71858, 73625, 85095, 85500, 86925, 88350, 91500, 94550, 104310, 106020, 107787, 113460, 115900, 132525, 137250, 139500, 141825, 143716, 144875, 147250, 170190, 173850, 176700, 179645, 189100, 208620, 215574, 220875, 236375, 260775, 265050, 274500, 283650, 289750, 294500, 323361, 340380, 347700, 359290, 425475, 431148, 434625, 441750, 472750, 521550, 530100, 538935, 567300, 579500, 646722, 662625, 709125, 718580, 850950, 869250, 883500, 898225, 945500, 1043100, 1077870, 1293444, 1303875, 1325250, 1418250, 1616805, 1701900, 1738500, 1796450, 2127375, 2155740, 2607750, 2650500, 2694675, 2836500, 3233610, 3592900, 4254750, 4491125, 5215500, 5389350, 6467220, 8084025, 8509500, 8982250, 10778700, 13473375, 16168050, 17964500, 26946750, 32336100, 40420125, 53893500, 80840250, 161680500]

約数ペア:

[(1, 161680500), (2, 80840250), (3, 53893500), (4, 40420125), (5, 32336100), (6, 26946750), (9, 17964500), (10, 16168050), (12, 13473375), (15, 10778700), (18, 8982250), (19, 8509500), (20, 8084025), (25, 6467220), (30, 5389350), (31, 5215500), (36, 4491125), (38, 4254750), (45, 3592900), (50, 3233610), (57, 2836500), (60, 2694675), (61, 2650500), (62, 2607750), (75, 2155740), (76, 2127375), (90, 1796450), (93, 1738500), (95, 1701900), (100, 1616805), (114, 1418250), (122, 1325250), (124, 1303875), (125, 1293444), (150, 1077870), (155, 1043100), (171, 945500), (180, 898225), (183, 883500), (186, 869250), (190, 850950), (225, 718580), (228, 709125), (244, 662625), (250, 646722), (279, 579500), (285, 567300), (300, 538935), (305, 530100), (310, 521550), (342, 472750), (366, 441750), (372, 434625), (375, 431148), (380, 425475), (450, 359290), (465, 347700), (475, 340380), (500, 323361), (549, 294500), (558, 289750), (570, 283650), (589, 274500), (610, 265050), (620, 260775), (684, 236375), (732, 220875), (750, 215574), (775, 208620), (855, 189100), (900, 179645), (915, 176700), (930, 173850), (950, 170190), (1098, 147250), (1116, 144875), (1125, 143716), (1140, 141825), (1159, 139500), (1178, 137250), (1220, 132525), (1395, 115900), (1425, 113460), (1500, 107787), (1525, 106020), (1550, 104310), (1710, 94550), (1767, 91500), (1830, 88350), (1860, 86925), (1891, 85500), (1900, 85095), (2196, 73625), (2250, 71858), (2318, 69750), (2325, 69540), (2356, 68625), (2375, 68076), (2745, 58900), (2790, 57950), (2850, 56730), (2945, 54900), (3050, 53010), (3100, 52155), (3420, 47275), (3477, 46500), (3534, 45750), (3660, 44175), (3782, 42750), (3875, 41724), (4275, 37820), (4500, 35929), (4575, 35340), (4636, 34875), (4650, 34770), (4750, 34038), (5301, 30500), (5490, 29450), (5580, 28975), (5673, 28500), (5700, 28365), (5795, 27900), (5890, 27450), (6100, 26505), (6954, 23250), (6975, 23180), (7068, 22875), (7125, 22692), (7564, 21375), (7625, 21204), (7750, 20862), (8550, 18910), (8835, 18300), (9150, 17670), (9300, 17385), (9455, 17100), (9500, 17019), (10431, 15500), (10602, 15250), (10980, 14725), (11346, 14250), (11590, 13950), (11625, 13908), (11780, 13725)]